[Chromecast] Support software rendering when disable-gpu used

ui/ozone/platform/cast/surface_factory_cast.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_OZONE_PLATFORM_CAST_SURFACE_FACTORY_CAST_H_
 #define UI_OZONE_PLATFORM_CAST_SURFACE_FACTORY_CAST_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/ozone/public/surface_factory_ozone.h"
 
 namespace chromecast {
 class CastEglPlatform;
 }
 
 namespace ui {
 
 // SurfaceFactoryOzone implementation for OzonePlatformCast.
 class SurfaceFactoryCast : public SurfaceFactoryOzone {
  public:
+  SurfaceFactoryCast();
   explicit SurfaceFactoryCast(
       scoped_ptr<chromecast::CastEglPlatform> egl_platform);
   ~SurfaceFactoryCast() override;
 
   // SurfaceFactoryOzone implementation:
+  scoped_ptr<SurfaceOzoneCanvas> CreateCanvasForWidget(
+      gfx::AcceleratedWidget widget) override;
   intptr_t GetNativeDisplay() override;
   scoped_ptr<SurfaceOzoneEGL> CreateEGLSurfaceForWidget(
       gfx::AcceleratedWidget widget) override;
   const int32* GetEGLSurfaceProperties(const int32* desired_list) override;
   scoped_refptr<NativePixmap> CreateNativePixmap(
-      gfx::AcceleratedWidget w,
+      gfx::AcceleratedWidget widget,
       gfx::Size size,
       gfx::BufferFormat format,
       gfx::BufferUsage usage) override;
   bool LoadEGLGLES2Bindings(
       AddGLLibraryCallback add_gl_library,
       SetGLGetProcAddressProcCallback set_gl_get_proc_address) override;
 
   intptr_t GetNativeWindow();
   bool ResizeDisplay(gfx::Size viewport_size);
   void ChildDestroyed();
@@ skipping 15 matching lines @@
   gfx::Size display_size_;
   gfx::Size new_display_size_;
   scoped_ptr<chromecast::CastEglPlatform> egl_platform_;
 
   DISALLOW_COPY_AND_ASSIGN(SurfaceFactoryCast);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_CAST_SURFACE_FACTORY_CAST_H_